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Informe final primera parte - Conabio

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Familia D r u p p u l i d a e Haeckel 1887 emend. Petrushevskaya 1975<br />

Diagnosis: Formas con teca esférica con dos o más subtecas elipsoidales reticuladas.<br />

Rango estratigráfico: Ordovícico - Reciente.<br />

De esta familia se determinaron 2 géneros y 4 especies.<br />

Lista de Especies<br />

Druppatractus irregulares (Poposky, 1913)<br />

Druppatractus variabilis Dumitrica 1973<br />

Xiphatractus cronos (Haeckel, 1887)<br />

Xiphatractus pluto (Haeckel, 1887)

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